The roaring inferno in and around Fort McMurray is now so big only Mother Nature can stop it."Let me be clear, air tankers are not going to stop this fire," Morrison said. "This is an extreme fire event. It's going to continue to pus… . . . → Read More: Montreal Simon: Firefighters and the Inferno of Climate Change

The biggest source of lost forests is in Russia and Canada. It’s not forest lost to deforestation, logging or clearing land for agriculture, but boreal forest consumed by wildfires. A climate change feedback? Probably.